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Trial ID: NCT00520208
A Phase II Study of Oral Tamibarotene in Acute Promyelocytic Leukemia Patients Who Have Received Prior Therapy With ATRA and Arsenic Trioxide (STAR-1)
Clinical Associate Professor, Medicine - Hematology
Professor of Medicine (Hematology)
Patients must meet all of the following criteria for admission into the study:
1. Have a diagnosis of either relapsed and/or refractory APL:
- Refractory disease is defined as a confirmed diagnosis of APL and a myeloblast
plus promyelocyte count of > 10% in the bone marrow in patients who have failed
to respond to induction therapy in the first or second line setting. Induction
therapy must have included ATRA- and ATO-based therapy given either sequentially
or in combination.
- Relapsed disease is defined as a confirmed diagnosis of APL and a myeloblast plus
promyelocyte count of > 10% in the bone marrow following a documented complete
remission or positive RT-PCR assay for PML/RAR-α in two consecutive tests
separated by at least one month, after treatment with ATRA- and ATO-based therapy
given either sequentially or in combination.
2. Confirmation of diagnosis and relapsed/refractory APL must be obtained in blood or
bone marrow mononuclear cells by at least one of the following methods:
- Conventional cytogenetics showing the translocation t(15:17),
- Positive RT-PCR assay for PML/RAR-α, or
- Fluorescence in situ hybridization (FISH) analysis showing evidence of the
3. Patients must have received and failed therapy with ATRA and ATO either within the
same or separate induction/consolidation schedule(s). Treatment must have been
administered for a minimum of 28 days for each agent. Treatment may have been
administered either as combination therapy or sequentially as single agents. Patients
who failed to complete a course of induction/consolidation therapy, as specified, due
to drug intolerance are eligible for the study.
4. Patients in whom ATO is contraindicated (for example due to congenital long QT
syndrome) are eligible for inclusion on study if they have received and failed ATRA
therapy as defined in (3).
5. Be able to provide written informed consent prior to enrollment into the study.
6. Be ≥ 18 years old.
7. Have an Eastern Cooperative Oncology Group (ECOG) Performance Status of ≤ 2.
8. Have an estimated life expectancy of ≥ 12 weeks.
9. Be male or a non-pregnant, non-lactating female. Fertile patients must agree to use an
effective barrier method of contraception (e.g., latex condom, diaphragm, or cervical
cap) to avoid pregnancy while on therapy and for 90 days following the discontinuation
of the study drug. [In countries where double barrier contraception is required by
Regulatory Authorities, patients who are fertile must agree to use 2 forms of barrier
method contraception (e.g., latex condom AND a diaphragm or cervical cap) while on
therapy and for 90 days following the discontinuation of the study drug.]
A non-fertile female is defined as:
- Postmenopausal (amenorrheic for ≥ 12 months)
- Undergone a complete oophorectomy or hysterectomy.
10. Have a negative serum or urine pregnancy test within 10 days prior to the first dose
of study drug (if patient is a female of childbearing potential).
11. Have adequate organ function.
Patients who meet any of the following criteria will be excluded from study admission:
1. Extramedullary leukemia.
2. Patients on a vitamin A preparation or patients with hypervitaminosis A.
3. Have received cytotoxic therapy ≤ 2 weeks from the start of therapy. If the patient
needs these agents due to urgent medical care within 2 weeks prior to starting
tamibarotene, a waiver may be granted by the INNOVIVE Medical Monitor.
4. Have a history of myelodysplastic syndromes (MDS).
5. Have impaired cardiac function or clinically significant heart disease including:
- Myocardial infarction within 3 months, unstable angina pectoris, congenital long
QT syndrome and clinically significant resting bradycardia (< 50 beats per
minute), uncontrolled congestive heart failure, uncontrolled hypertension,
history of labile hypertension, or history of poor compliance with
6. Have an active, uncontrolled systemic infection considered opportunistic,
life-threatening, or clinically significant at the time of treatment.
7. Have clinically significant acute or chronic liver or renal disease considered
unrelated to leukemia.
8. Have uncontrolled hyperlipidemia.
9. Have uncontrolled or poorly controlled diabetes mellitus.
10. Have impaired gastrointestinal function that may significantly alter drug absorption
(e.g., uncontrolled vomiting, ulcerative colitis, malabsorption, or small bowel
11. Are pregnant or lactating.
12. Have psychiatric disorder(s) that would interfere with consent, study participation,
13. Have not recovered from acute toxicities of all previous therapy prior to enrollment.
14. Have any other severe concurrent disease and/or uncontrolled medical conditions,
which, in the judgment of the investigator, could predispose patients to unacceptable
safety risks or compromise compliance with the protocol.
15. Have a history of another primary malignancy that has been actively treated in the
last 24 months.
16. Are unwilling or unable to comply with the protocol.
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